Revert "touchscreen: Disable calibration control to fix multitouch issues"

This reverts commit 1f9d40390a888fb8fcbba0164bebfd48841fd51b.

Change-Id: I0e4be9b788aa9542f9d97a5f983fe610201f98a0
Revert "touchscreen: Add double tap to wake and calibration from enrc2b kernel"

This reverts commit d23664114a4c2bd0d643a523e2ad8ad50beaf390.

Change-Id: Ie76279164f2189099e2eff2df19cbb77aaf90022